mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2024-12-23 01:59:43 +08:00
828 lines
20 KiB
C++
828 lines
20 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "materialsystem/IMaterial.h"
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#include <KeyValues.h>
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#include "materialsystem/IMaterialVar.h"
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#include "FunctionProxy.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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class C_BaseEntity;
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//-----------------------------------------------------------------------------
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// Adds two vars...
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//-----------------------------------------------------------------------------
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class CAddProxy : public CFunctionProxy
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{
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public:
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bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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void OnBind( void *pC_BaseEntity );
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};
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bool CAddProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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// Requires 2 args..
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bool ok = CFunctionProxy::Init( pMaterial, pKeyValues );
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ok = ok && m_pSrc2;
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return ok;
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}
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void CAddProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pSrc1 && m_pSrc2 && m_pResult );
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MaterialVarType_t resultType;
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int vecSize;
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ComputeResultType( resultType, vecSize );
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switch( resultType )
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{
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case MATERIAL_VAR_TYPE_VECTOR:
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{
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Vector a, b, c;
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m_pSrc1->GetVecValue( a.Base(), vecSize );
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m_pSrc2->GetVecValue( b.Base(), vecSize );
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VectorAdd( a, b, c );
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m_pResult->SetVecValue( c.Base(), vecSize );
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}
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break;
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case MATERIAL_VAR_TYPE_FLOAT:
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SetFloatResult( m_pSrc1->GetFloatValue() + m_pSrc2->GetFloatValue() );
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break;
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case MATERIAL_VAR_TYPE_INT:
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m_pResult->SetFloatValue( m_pSrc1->GetIntValue() + m_pSrc2->GetIntValue() );
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break;
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}
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}
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EXPOSE_INTERFACE( CAddProxy, IMaterialProxy, "Add" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Subtracts two vars...
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//-----------------------------------------------------------------------------
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class CSubtractProxy : public CFunctionProxy
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{
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public:
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bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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void OnBind( void *pC_BaseEntity );
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};
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bool CSubtractProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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// Requires 2 args..
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bool ok = CFunctionProxy::Init( pMaterial, pKeyValues );
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ok = ok && m_pSrc2;
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return ok;
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}
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void CSubtractProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pSrc1 && m_pSrc2 && m_pResult );
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MaterialVarType_t resultType;
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int vecSize;
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ComputeResultType( resultType, vecSize );
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switch( resultType )
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{
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case MATERIAL_VAR_TYPE_VECTOR:
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{
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Vector a, b, c;
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m_pSrc1->GetVecValue( a.Base(), vecSize );
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m_pSrc2->GetVecValue( b.Base(), vecSize );
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VectorSubtract( a, b, c );
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m_pResult->SetVecValue( c.Base(), vecSize );
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}
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break;
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case MATERIAL_VAR_TYPE_FLOAT:
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SetFloatResult( m_pSrc1->GetFloatValue() - m_pSrc2->GetFloatValue() );
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break;
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case MATERIAL_VAR_TYPE_INT:
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m_pResult->SetFloatValue( m_pSrc1->GetIntValue() - m_pSrc2->GetIntValue() );
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break;
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}
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}
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EXPOSE_INTERFACE( CSubtractProxy, IMaterialProxy, "Subtract" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Multiplies two vars...
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//-----------------------------------------------------------------------------
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class CMultiplyProxy : public CFunctionProxy
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{
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public:
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bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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void OnBind( void *pC_BaseEntity );
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};
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bool CMultiplyProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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// Requires 2 args..
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bool ok = CFunctionProxy::Init( pMaterial, pKeyValues );
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ok = ok && m_pSrc2;
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return ok;
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}
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void CMultiplyProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pSrc1 && m_pSrc2 && m_pResult );
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MaterialVarType_t resultType;
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int vecSize;
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ComputeResultType( resultType, vecSize );
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switch( resultType )
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{
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case MATERIAL_VAR_TYPE_VECTOR:
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{
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Vector a, b, c;
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m_pSrc1->GetVecValue( a.Base(), vecSize );
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m_pSrc2->GetVecValue( b.Base(), vecSize );
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VectorMultiply( a, b, c );
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m_pResult->SetVecValue( c.Base(), vecSize );
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}
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break;
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case MATERIAL_VAR_TYPE_FLOAT:
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SetFloatResult( m_pSrc1->GetFloatValue() * m_pSrc2->GetFloatValue() );
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break;
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case MATERIAL_VAR_TYPE_INT:
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m_pResult->SetFloatValue( m_pSrc1->GetIntValue() * m_pSrc2->GetIntValue() );
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break;
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}
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}
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EXPOSE_INTERFACE( CMultiplyProxy, IMaterialProxy, "Multiply" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// divides two vars...
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//-----------------------------------------------------------------------------
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class CDivideProxy : public CFunctionProxy
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{
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public:
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bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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void OnBind( void *pC_BaseEntity );
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};
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bool CDivideProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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// Requires 2 args..
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bool ok = CFunctionProxy::Init( pMaterial, pKeyValues );
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ok = ok && m_pSrc2;
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return ok;
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}
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void CDivideProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pSrc1 && m_pSrc2 && m_pResult );
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MaterialVarType_t resultType;
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int vecSize;
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ComputeResultType( resultType, vecSize );
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switch( resultType )
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{
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case MATERIAL_VAR_TYPE_VECTOR:
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{
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Vector a, b, c;
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m_pSrc1->GetVecValue( a.Base(), vecSize );
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m_pSrc2->GetVecValue( b.Base(), vecSize );
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VectorDivide( a, b, c );
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m_pResult->SetVecValue( c.Base(), vecSize );
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}
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break;
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case MATERIAL_VAR_TYPE_FLOAT:
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if (m_pSrc2->GetFloatValue() != 0)
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{
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SetFloatResult( m_pSrc1->GetFloatValue() / m_pSrc2->GetFloatValue() );
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}
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else
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{
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SetFloatResult( m_pSrc1->GetFloatValue() );
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}
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break;
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case MATERIAL_VAR_TYPE_INT:
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if (m_pSrc2->GetIntValue() != 0)
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{
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m_pResult->SetFloatValue( m_pSrc1->GetIntValue() / m_pSrc2->GetIntValue() );
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}
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else
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{
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m_pResult->SetFloatValue( m_pSrc1->GetIntValue() );
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}
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break;
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}
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}
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EXPOSE_INTERFACE( CDivideProxy, IMaterialProxy, "Divide" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// clamps a var...
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//-----------------------------------------------------------------------------
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class CClampProxy : public CFunctionProxy
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{
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public:
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bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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void OnBind( void *pC_BaseEntity );
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private:
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CFloatInput m_Min;
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CFloatInput m_Max;
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};
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bool CClampProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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if (!CFunctionProxy::Init( pMaterial, pKeyValues ))
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return false;
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if (!m_Min.Init( pMaterial, pKeyValues, "min", 0 ))
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return false;
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if (!m_Max.Init( pMaterial, pKeyValues, "max", 1 ))
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return false;
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return true;
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}
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void CClampProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pSrc1 && m_pResult );
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MaterialVarType_t resultType;
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int vecSize;
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ComputeResultType( resultType, vecSize );
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float flMin = m_Min.GetFloat();
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float flMax = m_Max.GetFloat();
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if (flMin > flMax)
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{
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float flTemp = flMin;
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flMin = flMax;
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flMax = flTemp;
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}
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switch( resultType )
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{
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case MATERIAL_VAR_TYPE_VECTOR:
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{
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Vector a;
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m_pSrc1->GetVecValue( a.Base(), vecSize );
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for (int i = 0; i < vecSize; ++i)
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{
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if (a[i] < flMin)
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a[i] = flMin;
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else if (a[i] > flMax)
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a[i] = flMax;
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}
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m_pResult->SetVecValue( a.Base(), vecSize );
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}
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break;
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case MATERIAL_VAR_TYPE_FLOAT:
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{
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float src = m_pSrc1->GetFloatValue();
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if (src < flMin)
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src = flMin;
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else if (src > flMax)
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src = flMax;
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SetFloatResult( src );
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}
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break;
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case MATERIAL_VAR_TYPE_INT:
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{
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int src = m_pSrc1->GetIntValue();
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if (src < flMin)
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src = flMin;
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else if (src > flMax)
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src = flMax;
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m_pResult->SetIntValue( src );
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}
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break;
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}
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}
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EXPOSE_INTERFACE( CClampProxy, IMaterialProxy, "Clamp" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Creates a sinusoid
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//-----------------------------------------------------------------------------
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// sinePeriod: time that it takes to go through whole sine wave in seconds (default: 1.0f)
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// sineMax : the max value for the sine wave (default: 1.0f )
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// sineMin: the min value for the sine wave (default: 0.0f )
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class CSineProxy : public CResultProxy
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{
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public:
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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virtual void OnBind( void *pC_BaseEntity );
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private:
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CFloatInput m_SinePeriod;
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CFloatInput m_SineMax;
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CFloatInput m_SineMin;
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CFloatInput m_SineTimeOffset;
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};
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bool CSineProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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if (!CResultProxy::Init( pMaterial, pKeyValues ))
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return false;
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if (!m_SinePeriod.Init( pMaterial, pKeyValues, "sinePeriod", 1.0f ))
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return false;
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if (!m_SineMax.Init( pMaterial, pKeyValues, "sineMax", 1.0f ))
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return false;
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if (!m_SineMin.Init( pMaterial, pKeyValues, "sineMin", 0.0f ))
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return false;
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if (!m_SineTimeOffset.Init( pMaterial, pKeyValues, "timeOffset", 0.0f ))
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return false;
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return true;
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}
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void CSineProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pResult );
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float flValue;
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float flSineTimeOffset = m_SineTimeOffset.GetFloat();
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float flSineMax = m_SineMax.GetFloat();
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float flSineMin = m_SineMin.GetFloat();
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float flSinePeriod = m_SinePeriod.GetFloat();
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if (flSinePeriod == 0)
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flSinePeriod = 1;
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// get a value in [0,1]
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flValue = ( sin( 2.0f * M_PI * (gpGlobals->curtime - flSineTimeOffset) / flSinePeriod ) * 0.5f ) + 0.5f;
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// get a value in [min,max]
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flValue = ( flSineMax - flSineMin ) * flValue + flSineMin;
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SetFloatResult( flValue );
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}
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EXPOSE_INTERFACE( CSineProxy, IMaterialProxy, "Sine" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// copies a var...
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//-----------------------------------------------------------------------------
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class CEqualsProxy : public CFunctionProxy
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{
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public:
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void OnBind( void *pC_BaseEntity );
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};
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void CEqualsProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pSrc1 && m_pResult );
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MaterialVarType_t resultType;
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int vecSize;
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ComputeResultType( resultType, vecSize );
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switch( resultType )
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{
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case MATERIAL_VAR_TYPE_VECTOR:
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{
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Vector a;
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m_pSrc1->GetVecValue( a.Base(), vecSize );
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m_pResult->SetVecValue( a.Base(), vecSize );
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}
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break;
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case MATERIAL_VAR_TYPE_FLOAT:
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SetFloatResult( m_pSrc1->GetFloatValue() );
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break;
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case MATERIAL_VAR_TYPE_INT:
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m_pResult->SetIntValue( m_pSrc1->GetIntValue() );
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break;
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}
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}
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EXPOSE_INTERFACE( CEqualsProxy, IMaterialProxy, "Equals" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Get the fractional part of a var
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//-----------------------------------------------------------------------------
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class CFracProxy : public CFunctionProxy
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{
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public:
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void OnBind( void *pC_BaseEntity );
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};
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void CFracProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pSrc1 && m_pResult );
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MaterialVarType_t resultType;
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int vecSize;
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ComputeResultType( resultType, vecSize );
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switch( resultType )
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{
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case MATERIAL_VAR_TYPE_VECTOR:
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{
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Vector a;
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m_pSrc1->GetVecValue( a.Base(), vecSize );
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a[0] -= ( float )( int )a[0];
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a[1] -= ( float )( int )a[1];
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a[2] -= ( float )( int )a[2];
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m_pResult->SetVecValue( a.Base(), vecSize );
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}
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break;
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case MATERIAL_VAR_TYPE_FLOAT:
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{
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float a = m_pSrc1->GetFloatValue();
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a -= ( int )a;
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SetFloatResult( a );
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}
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break;
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case MATERIAL_VAR_TYPE_INT:
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// don't do anything besides assignment!
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m_pResult->SetIntValue( m_pSrc1->GetIntValue() );
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break;
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}
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}
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EXPOSE_INTERFACE( CFracProxy, IMaterialProxy, "Frac" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Linear ramp proxy
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//-----------------------------------------------------------------------------
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class CLinearRampProxy : public CResultProxy
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{
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public:
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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virtual void OnBind( void *pC_BaseEntity );
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private:
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CFloatInput m_Rate;
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CFloatInput m_InitialValue;
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};
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bool CLinearRampProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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if (!CResultProxy::Init( pMaterial, pKeyValues ))
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return false;
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if (!m_Rate.Init( pMaterial, pKeyValues, "rate", 1 ))
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return false;
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if (!m_InitialValue.Init( pMaterial, pKeyValues, "initialValue", 0 ))
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return false;
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return true;
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}
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void CLinearRampProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pResult );
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float flValue;
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// get a value in [0,1]
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flValue = m_Rate.GetFloat() * gpGlobals->curtime + m_InitialValue.GetFloat();
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SetFloatResult( flValue );
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}
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EXPOSE_INTERFACE( CLinearRampProxy, IMaterialProxy, "LinearRamp" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Uniform noise proxy
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//-----------------------------------------------------------------------------
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class CUniformNoiseProxy : public CResultProxy
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{
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public:
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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virtual void OnBind( void *pC_BaseEntity );
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private:
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CFloatInput m_flMinVal;
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CFloatInput m_flMaxVal;
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};
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bool CUniformNoiseProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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if (!CResultProxy::Init( pMaterial, pKeyValues ))
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return false;
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if (!m_flMinVal.Init( pMaterial, pKeyValues, "minVal", 0 ))
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return false;
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if (!m_flMaxVal.Init( pMaterial, pKeyValues, "maxVal", 1 ))
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return false;
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return true;
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}
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void CUniformNoiseProxy::OnBind( void *pC_BaseEntity )
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{
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SetFloatResult( random->RandomFloat( m_flMinVal.GetFloat(), m_flMaxVal.GetFloat() ) );
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}
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EXPOSE_INTERFACE( CUniformNoiseProxy, IMaterialProxy, "UniformNoise" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Gaussian noise proxy
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//-----------------------------------------------------------------------------
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class CGaussianNoiseProxy : public CResultProxy
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{
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public:
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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virtual void OnBind( void *pC_BaseEntity );
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private:
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CFloatInput m_Mean;
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CFloatInput m_StdDev;
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CFloatInput m_flMinVal;
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CFloatInput m_flMaxVal;
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};
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bool CGaussianNoiseProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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if (!CResultProxy::Init( pMaterial, pKeyValues ))
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return false;
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if (!m_Mean.Init( pMaterial, pKeyValues, "mean", 0.0f ))
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return false;
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if (!m_StdDev.Init( pMaterial, pKeyValues, "halfwidth", 1.0f ))
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return false;
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if (!m_flMinVal.Init( pMaterial, pKeyValues, "minVal", -FLT_MAX ))
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return false;
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if (!m_flMaxVal.Init( pMaterial, pKeyValues, "maxVal", FLT_MAX ))
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return false;
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return true;
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}
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void CGaussianNoiseProxy::OnBind( void *pC_BaseEntity )
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{
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float flMean = m_Mean.GetFloat();
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float flStdDev = m_StdDev.GetFloat();
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float flVal = randomgaussian->RandomFloat( flMean, flStdDev );
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float flMaxVal = m_flMaxVal.GetFloat();
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float flMinVal = m_flMinVal.GetFloat();
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if (flMinVal > flMaxVal)
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{
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float flTemp = flMinVal;
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flMinVal = flMaxVal;
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flMaxVal = flTemp;
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}
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// clamp
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if (flVal < flMinVal)
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flVal = flMinVal;
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else if ( flVal > flMaxVal )
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flVal = flMaxVal;
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SetFloatResult( flVal );
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}
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EXPOSE_INTERFACE( CGaussianNoiseProxy, IMaterialProxy, "GaussianNoise" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Exponential proxy
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//-----------------------------------------------------------------------------
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class CExponentialProxy : public CFunctionProxy
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{
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public:
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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virtual void OnBind( void *pC_BaseEntity );
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private:
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CFloatInput m_Scale;
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CFloatInput m_Offset;
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CFloatInput m_flMinVal;
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CFloatInput m_flMaxVal;
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};
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bool CExponentialProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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if (!CFunctionProxy::Init( pMaterial, pKeyValues ))
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return false;
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if (!m_Scale.Init( pMaterial, pKeyValues, "scale", 1.0f ))
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return false;
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if (!m_Offset.Init( pMaterial, pKeyValues, "offset", 0.0f ))
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return false;
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if (!m_flMinVal.Init( pMaterial, pKeyValues, "minVal", -FLT_MAX ))
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return false;
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if (!m_flMaxVal.Init( pMaterial, pKeyValues, "maxVal", FLT_MAX ))
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return false;
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return true;
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}
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void CExponentialProxy::OnBind( void *pC_BaseEntity )
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{
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float flVal = m_Scale.GetFloat() * exp(m_pSrc1->GetFloatValue( ) + m_Offset.GetFloat());
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float flMaxVal = m_flMaxVal.GetFloat();
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float flMinVal = m_flMinVal.GetFloat();
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if (flMinVal > flMaxVal)
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{
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float flTemp = flMinVal;
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flMinVal = flMaxVal;
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flMaxVal = flTemp;
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}
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// clamp
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if (flVal < flMinVal)
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flVal = flMinVal;
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else if ( flVal > flMaxVal )
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flVal = flMaxVal;
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SetFloatResult( flVal );
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}
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EXPOSE_INTERFACE( CExponentialProxy, IMaterialProxy, "Exponential" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Absolute value proxy
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//-----------------------------------------------------------------------------
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class CAbsProxy : public CFunctionProxy
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{
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public:
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virtual void OnBind( void *pC_BaseEntity );
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};
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void CAbsProxy::OnBind( void *pC_BaseEntity )
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{
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SetFloatResult( fabs(m_pSrc1->GetFloatValue( )) );
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}
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EXPOSE_INTERFACE( CAbsProxy, IMaterialProxy, "Abs" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Empty proxy-- used to comment out large proxy blocks
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//-----------------------------------------------------------------------------
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class CEmptyProxy : public IMaterialProxy
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{
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public:
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CEmptyProxy() {}
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virtual ~CEmptyProxy() {}
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues ) { return true; }
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virtual void OnBind( void *pC_BaseEntity ) {}
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virtual void Release( void ) { delete this; }
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};
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EXPOSE_INTERFACE( CEmptyProxy, IMaterialProxy, "Empty" IMATERIAL_PROXY_INTERFACE_VERSION );
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//-----------------------------------------------------------------------------
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// Comparison proxy
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//-----------------------------------------------------------------------------
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class CLessOrEqualProxy : public CFunctionProxy
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{
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public:
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bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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void OnBind( void *pC_BaseEntity );
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private:
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IMaterialVar *m_pLessVar;
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IMaterialVar *m_pGreaterVar;
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};
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bool CLessOrEqualProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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char const* pLessEqualVar = pKeyValues->GetString( "lessEqualVar" );
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if( !pLessEqualVar )
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return false;
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bool foundVar;
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m_pLessVar = pMaterial->FindVar( pLessEqualVar, &foundVar, true );
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if( !foundVar )
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return false;
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char const* pGreaterVar = pKeyValues->GetString( "greaterVar" );
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if( !pGreaterVar )
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return false;
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foundVar;
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m_pGreaterVar = pMaterial->FindVar( pGreaterVar, &foundVar, true );
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if( !foundVar )
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return false;
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// Compare 2 args..
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bool ok = CFunctionProxy::Init( pMaterial, pKeyValues );
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ok = ok && m_pSrc2;
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return ok;
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}
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void CLessOrEqualProxy::OnBind( void *pC_BaseEntity )
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{
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Assert( m_pSrc1 && m_pSrc2 && m_pLessVar && m_pGreaterVar && m_pResult );
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IMaterialVar *pSourceVar;
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if (m_pSrc1->GetFloatValue() <= m_pSrc2->GetFloatValue())
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{
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pSourceVar = m_pLessVar;
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}
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else
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{
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pSourceVar = m_pGreaterVar;
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}
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int vecSize = 0;
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MaterialVarType_t resultType = m_pResult->GetType();
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if (resultType == MATERIAL_VAR_TYPE_VECTOR)
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{
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if (m_ResultVecComp >= 0)
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resultType = MATERIAL_VAR_TYPE_FLOAT;
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vecSize = m_pResult->VectorSize();
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}
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else if (resultType == MATERIAL_VAR_TYPE_UNDEFINED)
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{
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resultType = pSourceVar->GetType();
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if (resultType == MATERIAL_VAR_TYPE_VECTOR)
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{
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vecSize = pSourceVar->VectorSize();
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}
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}
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switch( resultType )
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{
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case MATERIAL_VAR_TYPE_VECTOR:
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{
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Vector src;
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pSourceVar->GetVecValue( src.Base(), vecSize );
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m_pResult->SetVecValue( src.Base(), vecSize );
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}
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break;
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case MATERIAL_VAR_TYPE_FLOAT:
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SetFloatResult( pSourceVar->GetFloatValue() );
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break;
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case MATERIAL_VAR_TYPE_INT:
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m_pResult->SetFloatValue( pSourceVar->GetIntValue() );
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break;
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}
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}
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EXPOSE_INTERFACE( CLessOrEqualProxy, IMaterialProxy, "LessOrEqual" IMATERIAL_PROXY_INTERFACE_VERSION );
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